Langley Nr Hitchin: plumbing, heating and air-conditioning companies
Langley Nr Hitchin has 1 plumbing, heating and air-conditioning companies (SIC 43220) and 0 electrical and other installation companies registered here (Companies House, 1 Sep 2026); 0 are MCS-certified for air-to-air yet. If the office is in SG4, summer 2026 had ≈9 nights above 18 °C there (6 times the 1991–2020 average of 1.5).
SIC 43220
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LINEHAN MECHANICAL AND ELECTRICAL LIMITED, incorporated 2014, status Active.
Plumbing, heating and air-conditioning companies
| Company | Incorporated | Status | District |
|---|---|---|---|
| LINEHAN MECHANICAL AND ELECTRICAL LIMITED | 2014 | Active | SG4 |
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| No SIC 43210 or 43290 company in this town | — | — | — | — |
Nearest plumbing companies within 25 km
1,458 plumbing companies (SIC 43220) have a registered office within 25 km. The nearest 10 are listed.
| Company | Number | District | Distance |
|---|---|---|---|
| GUARDIAN CONSULTANCY SERVICES LIMITED | 04659879 | SG4 | under 0.1 km |
| RESPOND PLUMBING AND HEATING LIMITED | 14745895 | SG4 | under 0.1 km |
| TYRER PLUMBING & HEATING LIMITED | 13838151 | SG1 | ≈2.5 km |
| D C HEATING SYSTEMS LTD | 14109296 | SG1 | ≈2.5 km |
| GAS CHASE LIMITED | 15898555 | SG1 | ≈2.5 km |
| FAST PLUMBERS LTD | 08469352 | SG1 | ≈2.9 km |
| JR PLUMBING, HEATING AND GAS LTD | 13222833 | SG1 | ≈2.9 km |
| GAS 24 LIMITED | 05035424 | SG1 | ≈3.0 km |
| ROOM RENOV8 LTD | 16310853 | SG1 | ≈3.0 km |
| BLUE PLANET PLUMBING AND HEATING LTD | 12953643 | SG4 | ≈3.1 km |
Heat and planning around Langley Nr Hitchin
In Langley Nr Hitchin last summer (2026) there were ≈9 nights that stayed above 18 °C — 6 times the 1991–2020 average of 1.5 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities). The figure is the household-weighted mean of 1 postcode districts where these offices are registered.
17% of sampled postcodes in Langley Nr Hitchin sit in a conservation area (905 live postcodes across 1 districts).
In England an air-source heat pump on a house can be permitted development under Class G when the conditions hold, including the MCS 020a noise limit of 37.0 dB(A) (§3.2 Step 8).
Companies House snapshot 1 Sep 2026, retrieved 25 Sep 2026. The address shown is the registered office, not a verified operating base. This catalogue is a directory of incorporated businesses, not an exhaustive installer register. Hot nights: ERA5-ARCO, June–August, minimum at or above 18 °C, household-weighted across the districts where these offices are registered, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points, snapshot 25 Sep 2026. Distances are an equirectangular approximation to 0.1 km.
Better than a town directory that only lists names: each plumbing company links to its Companies House record and the local hot-night count.